tickets from a speed limit change at the bottom of this bridge covered 80% of the budget for henderson, louisiana. more than $2 million. the police chief and his deputy deny it but they're accused of paying officers kickbacks to write extra tickets. across the country drivers are taking note, reporting 78,000 speed traps since 2000. in the data, a warning, the cities with the most traps are colorado springs, denver, vegas, austin, and the number one is houston. all those frustrated drivers who feel they have been pulled over in a speed trap, authorities say when there is a hill and the speed limit is 25 miles per hour, it's not a trap, it's about public safety. my police chief in georgia took me out for a little driver's ed near a hill i've had trouble with near my home. >> you need to cover that brake with your foot and slow down. >> reporter: the bottom of a hill is a classic ticketing hot spot. >> he's already up to 38 mile per hour. >> reporter: we know that speed kills. according to the federal government, nearly 10,000 americans die every year in speed related accidents. >> these are not sp